Βάση εισαγωγής γενικής κατηγορίας
| 1991 | 5411 | 16.9 |
| 1992 | 5458 | 17.1 |
| 1993 | 5208 | 16.3 |
| 1994 | 5643 | 17.6 |
| 1995 | 5522 | 17.3 |
| 1996 | 5418 | 16.9 |
| 1997 | 5366 | 16.8 |
| 1998 | 5188 | 16.2 |
| 1999 | 5267 | 16.5 |
| 2000 | 19177 | 19.2 |
| 2001 | 18752 | 18.8 |
| 2002 | 17993 | 18.0 |
| 2003 | 18051 | 18.1 |
| 2004 | 17518 | 17.5 |
| 2005 | 17489 | 17.5 |
| 2006 | 17308 | 17.3 |
| 2007 | 17656 | 17.7 |
| 2008 | 17124 | 17.1 |
| 2009 | 17506 | 17.5 |
| 2010 | 17623 | 17.6 |
| 2011 | 15666 | 15.7 |
| 2012 | 15719 | 15.7 |
| 2013 | 14772 | 14.8 |
| 2014 | 15504 | 15.5 |
| 2015 | 15415 | 15.4 |
| 2016 | 15111 | 15.1 |
| 2017 | 14658 | 14.7 |
| 2018 | 14715 | 14.7 |
| 2019 | 14082 | 14.1 |
| 2020 | 13575 | 13.6 |
| 2021 | 14226 | 14.2 |
| 2022 | 13896 | 13.9 |
| 2023 | 14753 | 14.8 |
| 2024 | 14260 | 14.3 |